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Investments in Equity Securities (Investments in Equity Securities Available for Sale) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Fair Value
Debt Securities, Available-for-sale [Line Items]
Cost	$ 941,974	$ 949,332
Gross unrealized gains	346,697	194,881
Gross unrealized losses	(84,883)	(53,866)
Equity securities	1,203,788	1,090,347
Fair Value | Common stocks
Debt Securities, Available-for-sale [Line Items]
Cost	612,479	664,997
Gross unrealized gains	223,981	191,806
Gross unrealized losses	(76,293)	(18,749)
Equity securities	760,167	838,054
Fair Value | Preferred stocks
Debt Securities, Available-for-sale [Line Items]
Cost	329,495	284,335
Gross unrealized gains	122,716	3,075
Gross unrealized losses	(8,590)	(35,117)
Equity securities	443,621	252,293
Carrying Value
Debt Securities, Available-for-sale [Line Items]
Equity securities	1,203,788	1,090,347
Carrying Value | Common stocks
Debt Securities, Available-for-sale [Line Items]
Equity securities	760,167	838,054
Carrying Value | Preferred stocks
Debt Securities, Available-for-sale [Line Items]
Equity securities	$ 443,621	$ 252,293

X

- Definition

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current.

+ References

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